diff --git a/src/drivers/mysql/MysqlConnection.cpp b/src/drivers/mysql/MysqlConnection.cpp
--- a/src/drivers/mysql/MysqlConnection.cpp
+++ b/src/drivers/mysql/MysqlConnection.cpp
@@ -27,7 +27,7 @@
 #include "KDbConnectionData.h"
 #include "KDbVersionInfo.h"
 
-#include <QRegExp>
+#include <QRegularExpression>
 
 MysqlConnection::MysqlConnection(KDbDriver *driver, const KDbConnectionData& connData,
                                  const KDbConnectionOptions &options)
@@ -74,14 +74,15 @@
     QString versionString;
     tristate res = querySingleString(KDbEscapedString("SELECT @@version"),
                                      &versionString, /*column*/0, false /*!addLimitTo1*/);
-    QRegExp versionRe(QLatin1String("(\\d+)\\.(\\d+)\\.(\\d+)"));
+    QRegularExpression versionRe(QLatin1String("^(\\d+)\\.(\\d+)\\.(\\d+)$"));
+    QRegularExpressionMatch match  = versionRe.match(versionString);
     if (res == false) // sanity
         return false;
-    if (versionRe.exactMatch(versionString)) {
+    if (match.hasMatch()) {
         // (if querySingleString failed, the version will be 0.0.0...
-        version->setMajor(versionRe.cap(1).toInt());
-        version->setMinor(versionRe.cap(2).toInt());
-        version->setRelease(versionRe.cap(3).toInt());
+        version->setMajor(match.captured(1).toInt());
+        version->setMinor(match.captured(2).toInt());
+        version->setRelease(match.captured(3).toInt());
     }
     return true;
 }
diff --git a/src/drivers/mysql/MysqlConnection_p.cpp b/src/drivers/mysql/MysqlConnection_p.cpp
--- a/src/drivers/mysql/MysqlConnection_p.cpp
+++ b/src/drivers/mysql/MysqlConnection_p.cpp
@@ -222,11 +222,11 @@
     // to be careful as enum values can have commas and quote marks in them
     // e.g. CREATE TABLE t(f enum('option,''') gives one option: "option,'"
     vals.remove(0, 5);
-    QRegExp rx = QRegExp("^'((?:[^,']|,|'')*)'");
+    QRegularExpression rx = QRegularExpression("^'((?:[^,']|,|'')*)'");
     QStringList values = QStringList();
     int index = 0;
 
-    while ((index = rx.indexIn(vals, index, QRegExp::CaretAtOffset)) != -1) {
+    while ((index = rx.indexIn(vals, index, QRegularExpression::CaretAtOffset)) != -1) {
         int len = rx.matchedLength();
         if (len != -1) {
             //qDebug() << "3 " << rx.cap(1);
diff --git a/src/drivers/sqlite/SqliteConnection.cpp b/src/drivers/sqlite/SqliteConnection.cpp
--- a/src/drivers/sqlite/SqliteConnection.cpp
+++ b/src/drivers/sqlite/SqliteConnection.cpp
@@ -33,7 +33,7 @@
 
 #include <QFile>
 #include <QDir>
-#include <QRegExp>
+#include <QRegularExpression>
 
 SqliteConnection::SqliteConnection(KDbDriver *driver, const KDbConnectionData& connData,
                                    const KDbConnectionOptions &options)
@@ -68,11 +68,12 @@
 {
     sqliteDebug();
     version->setString(QLatin1String(SQLITE_VERSION)); //defined in sqlite3.h
-    QRegExp re(QLatin1String("(\\d+)\\.(\\d+)\\.(\\d+)"));
-    if (re.exactMatch(version->string())) {
-        version->setMajor(re.cap(1).toInt());
-        version->setMinor(re.cap(2).toInt());
-        version->setRelease(re.cap(3).toInt());
+    QRegularExpression re(QLatin1String("^(\\d+)\\.(\\d+)\\.(\\d+)$"));
+    QRegularExpressionMatch match  = re.match(version->string());
+    if (match.hasMatch()) {
+        version->setMajor(match.captured(1).toInt());
+        version->setMinor(match.captured(2).toInt());
+        version->setRelease(match.captured(3).toInt());
     }
     return true;
 }
diff --git a/src/drivers/sybase/SybaseConnection.cpp b/src/drivers/sybase/SybaseConnection.cpp
--- a/src/drivers/sybase/SybaseConnection.cpp
+++ b/src/drivers/sybase/SybaseConnection.cpp
@@ -17,7 +17,7 @@
  * Boston, MA 02110-1301, USA.
 */
 
-#include <QRegExp>
+#include <QRegularExpression>
 
 #include <kgenericfactory.h>
 
@@ -58,11 +58,12 @@
         sybaseWarning() << "Couldn't fetch server version";
     }
 
-    QRegExp versionRe("(\\d+)\\.(\\d+)\\.(\\d+)\\.(\\d+)");
-    if (versionRe.exactMatch(serverVersionString)) {
-        version.major = versionRe.cap(1).toInt();
-        version.minor = versionRe.cap(2).toInt();
-        version.release = versionRe.cap(3).toInt();
+    QRegularExpression versionRe("^(\\d+)\\.(\\d+)\\.(\\d+)\\.(\\d+)$");
+    QRegularExpressionMatch match  = versionRe.match(serverVersionString);
+    if (match.hasMatch()) {
+        version.major = match.captured(1).toInt();
+        version.minor = match.captured(2).toInt();
+        version.release = match.captured(3).toInt();
     }
 
     return true;
diff --git a/src/tools/KDbUtils.cpp b/src/tools/KDbUtils.cpp
--- a/src/tools/KDbUtils.cpp
+++ b/src/tools/KDbUtils.cpp
@@ -33,7 +33,7 @@
 #include "kdb_debug.h"
 #include "config-kdb.h"
 
-#include <QRegExp>
+#include <QRegularExpression>
 #include <QDataStream>
 #include <QDir>
 #include <QFile>
@@ -104,7 +104,7 @@
 QString KDbUtils::stringToFileName(const QString& string)
 {
     QString _string(string);
-    _string.replace(QRegExp(QLatin1String("[\\\\/:\\*?\"<>|]")), QLatin1String(" "));
+    _string.replace(QRegularExpression(QLatin1String("[\\\\/:\\*?\"<>|]")), QLatin1String(" "));
     return _string.simplified();
 }